National Weather Service Forecast for: Shelby MT
Issued by: National Weather Service Great Falls, MT
Updated: 12:57 am MDT Jul 13, 2025
 
Overnight

Overnight: Mostly clear, with a low around 59. West northwest wind around 8 mph.
Mostly Clear

Sunday

Sunday: Mostly sunny, with a high near 89. West northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Mostly Sunny

Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Mostly clear, with a low around 57. West wind 6 to 14 mph becoming north after midnight. Winds could gust as high as 23 mph.
Slight Chance
T-storms then
Mostly Clear
Monday

Monday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 77. North northwest wind 6 to 11 mph becoming north 16 to 21 mph in the morning. Winds could gust as high as 26 mph.  Chance of precipitation is 40%.
Sunny then
Chance
Showers
Monday
Night
Monday Night: Showers and possibly a thunderstorm.  Low around 50. Breezy, with a north wind 16 to 23 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%.
Showers and
Breezy
Tuesday

Tuesday: A 50 percent chance of showers.  Mostly cloudy, with a high near 61. North wind around 15 mph, with gusts as high as 23 mph.
Chance
Showers
Tuesday
Night
Tuesday Night: A 30 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 45. North wind 6 to 11 mph, with gusts as high as 20 mph.
Chance
Showers
Wednesday

Wednesday: A slight chance of showers before noon.  Mostly sunny, with a high near 67. North wind 6 to 10 mph becoming southeast in the afternoon.
Slight Chance
Showers then
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 46.
Mostly Clear

Lo 59 °F Hi 89 °F Lo 57 °F Hi 77 °F Lo 50 °F Hi 61 °F Lo 45 °F Hi 67 °F Lo 46 °F

 

Overnight
 
Mostly clear, with a low around 59. West northwest wind around 8 mph.
Sunday
 
Mostly sunny, with a high near 89. West northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday Night
 
A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 57. West wind 6 to 14 mph becoming north after midnight. Winds could gust as high as 23 mph.
Monday
 
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 77. North northwest wind 6 to 11 mph becoming north 16 to 21 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Monday Night
 
Showers and possibly a thunderstorm. Low around 50. Breezy, with a north wind 16 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Tuesday
 
A 50 percent chance of showers. Mostly cloudy, with a high near 61. North wind around 15 mph, with gusts as high as 23 mph.
Tuesday Night
 
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 45. North wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
 
A slight chance of showers before noon. Mostly sunny, with a high near 67. North wind 6 to 10 mph becoming southeast in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 46.
Thursday
 
Sunny, with a high near 75.
Thursday Night
 
Partly cloudy, with a low around 51.
Friday
 
Mostly sunny, with a high near 79.
Friday Night
 
Mostly clear, with a low around 53.
Saturday
 
Sunny, with a high near 86.

 

Forecast from NOAA-NWS for Shelby MT.